Bath tub



FIG. 1 is an upper perspective view of the bath tub showing my design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a side view thereof, an opposite side view being a mirror image thereof. 

We claim the ornamental design for a bath tub, as shown and described. 